RitaBrowser monitors and controls Internet appliances built with Rigel Corporation's RITA family of control boards.  The RITA nodes may be on the Internet or on a private network such as a personal network or a company intranet. 

Configuring RitaBrowser
There are two sets of information, which must be specified. 

Information about the PC you use to run the RitaBrowser
To talk to the Rita board on the Internet you need to know the IP address of the PC you are using .  You must be on the Internet to do this.  The RitaBrowser will automatically check your PC and report the IP address of your computer.  The “Port” address determines the UDP port your PC uses to communicate with the RITA node.  Unless you are using this value in the RITA program, you may click the “Auto” box.   

Information about the RITA nodes
The “Rita Nodes” tab in the configuration dialog lists the current nodes.  You may add, modify, or remove nodes from the list.  When adding new nodes, you will be asked to provide a name along with the IP address and port number for the RITA node.  The name is used by the RitaBrowser to identify the node.  This is like the a “bookmark” or a “favorite” entry in a web browser.  The default RITA port number is 8192 (0x2000).  You may change this number, especially if you intend to use it to identify among various services at the RITA node. 

Advanced Configuration
You may save the list of RITA nodes to a file as a backup or to load onto another PC.  When loading a RITA nodes list, you will be asked if you would like to append the new list to the existing one or to replace the existing list with the new list.  In the former case, you will also be notified if there are duplications or conflicts.

Communicating with a RITA Node
A list of currently known RITA nodes appears in a drop-down list box.  Select the node you would like to communicate with and click the “Connect” button.  RitaBrowser opens a socket to communicate with the RITA node.  If the socket cannot be opened, it usually means that your PC’s IP address is incorrect or you are not connected to the Internet. You can run the RitaBrowser again which will automatically give you the IP address of your computer.  (You can double check this if needed.  If you are using a dial-up service, you can obtain the IP address by the “ARP” utility.  Open a DOS box and type “arp –a” to see your assigned IP address.  If your PC is set to participate in a LAN, use the “Settings / Control Panel /Network” dialog to view your IP address.)
Once a socket is successfully opened, you may type in the edit window and communicate with the RITA node.  Note that the communication depends on the specific program running on the RITA node.  Being an open architecture, you are free to program the RITA node any way you wish.  For instance, you may restrict the node to answer only to specific IP addresses, or use the port numbers to invoke different behaviors.  Refer to the RITA hardware and programming manuals for further information and demo programs.  It is recommended that a RITA node responds with a short message, possibly a menu, when it receives an unknown command or the question mark ( ‘?’).
You may automatically launch programs on your PC when a keyword or alarm is received from a RITA node.  To do this enter the (case sensitive) keyword and select the program to be activated.  Note that the parameters received from the RITA node following the keyword are passed on to the launched program as command line parameters.

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       Last updated 3/18/08